Removing Replacing the Mpb Dcdc Converter

To remove and replace the MPB DC-DC Converter Assembly, use the following procedure:

  1. Turn off the computer; disconnect the AC power adapter (if it is attached), and remove the battery pack and PCMCIA cards as described in Paragraphs 6.5.1 and 6.5.2. Also disconnect the MPB (Paragraph 6.5.3) if attached.
  2. Using your thumbs, unlock the two battery locks at each side of the MPB (refer to Figure 6-26); pull the battery pack out of the MPB.
  3. Remove the MPB Housing as described in Paragraph 6.6.3.
  4. Remove the screw that secures the DC-DC Converter to the bottom section of the MPB housing and remove the DC-DC-Converter.
  5. Replacement is the reverse of Steps 1 through 4.

DC-DC Converter

Figure 6-30 Removing/Replacing the MPB DC-DC Converter Board

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